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Finding the Fourth Proportional to 67,903, 93,714.78 and 38,095

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Solution

The fourth proportional to 67,903, 93,714.78 and 38,095 is: 52,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,903 : 93,714.78 = 38,095 : x
  2. Step 2: Convert to fraction form
    67,903/93,714.78 = 38,095/x
  3. Step 3: Cross multiply
    67,903x = 93,714.78 × 38,095
  4. Step 4: Simplify right side
    67,903x = 3,570,064,544.10
  5. Step 5: Solve for x
    x = 3,570,064,544.10/67,903
  6. Step 6: Final answer
    x = 52,575.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.